Mobility Radeon HD 4870 X2 vs Radeon R7 M275DX

Find out if it is worth upgrading your current GPU setup by comparing Mobility Radeon HD 4870 X2 and Radeon R7 M275DX. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Mobility Radeon HD 4870 X2 and Radeon R7 M275DX. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Mobility Radeon HD 4870 X2 and Radeon R7 M275DX are Laptop Graphics Cards

Note: Mobility Radeon HD 4870 X2 and Radeon R7 M275DX are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Mobility Radeon HD 4870 X2 or Radeon R7 M275DX here:

Main Specs

  Mobility Radeon HD 4870 X2 Radeon R7 M275DX
Interface PCIe 2.0 x16
Memory type GDDR3, GDDR5 DDR3
Maximum RAM amount 2 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Mobility Radeon HD 4870 X2 is build with Terascale 1 architecture, and Radeon R7 M275DX - with GCN.
  • Mobility Radeon HD 4870 X2 is manufactured by 55 nm process technology, and Radeon R7 M275DX - by 28 nm process technology.

Game benchmarks

high / 1080p 9−10 9−10
ultra / 1080p 5−6 5−6
QHD / 1440p 0−1 0−1
low / 720p 21−24 21−24
medium / 1080p 12−14 10−12
Mobility Radeon HD 4870 X2 and Radeon R7 M275DX have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Mobility Radeon HD 4870 X2 Radeon R7 M275DX
Architecture Terascale 1 GCN
Code name M98-XT
Type Laptop Laptop
Release date 9 January 2009 4 June 2014
Pipelines 1600 896
Core clock speed 550 MHz
Transistor count 956 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 22.00
Floating-point performance 2x 880.0 gflops
Memory bus width 256 Bit
Memory clock speed 888 MHz
Memory bandwidth 89.6 GB/s
Shared memory - +
DirectX 10.1 (10_1) DirectX 12, Shader 5.0
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
Laptop size large medium sized
Eyefinity +
AppAcceleration +
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